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【简答题】
听力 1. What does the woman wish to do? A. Sell caps for small boys. B. Exchange the cap for a larger one. C. Make this cap a little smaller. 2. Where are they probably talking? A. Outside a bookstore. B. At an art gallery. C. In a shop. 3. When will Mr Davis meet Ann? A. At 8: 45. B. At 9: 00. C. At 9: 15. 4. What are the man and the woman talking about? A. Christmas holiday. B. Christmas dinner. C. Christmas gifts. 5. What is the possible relationship between the speakers? A. Customer and shop assistant. B. Policeman and passerby. C. Teacher and student.
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【单选题】调速阀工作原理上最大的特点是:
A.
调速阀进口和出口油液的压差Δp 保持不变
B.
调速阀内节流阀进口和出口油液的压差Δp 保持不变
C.
调速阀调节流量不方便。
D.
调速阀不适合用在节流调速回路中。
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【单选题】The tourist asked me to take his picture in the square _______stood the famous tower.
A.
that
B.
where
C.
which
D.
there